package top.heliming.youyou.search.listener;

import org.springframework.amqp.core.ExchangeTypes;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import top.heliming.youyou.search.service.SearchService;

/**
 * description: //TODO
 *
 * @author: heliming
 * @date:2019/06/07 下午 2:44
 */
@Component
public class GoodsListener {

  @Autowired
  private SearchService searchService;

  /**
   * 处理insert和update的消息
   *
   * @param id
   * @throws Exception
   */
  @RabbitListener(bindings = @QueueBinding(
      value = @Queue(value = "leyou.create.index.queue", durable = "true"),
      exchange = @Exchange(
          value = "leyou.item.exchange",
          ignoreDeclarationExceptions = "true",
          type = ExchangeTypes.TOPIC),
      key = {"item.insert", "item.update"}))
  public void listenCreate(Long id) throws Exception {
    if (id == null) {
      return;
    }
    // 创建或更新索引
    this.searchService.createIndex(id);
  }

  /**
   * 处理delete的消息
   *
   * @param id
   */
  @RabbitListener(bindings = @QueueBinding(
      value = @Queue(value = "leyou.delete.index.queue", durable = "true"),
      exchange = @Exchange(
          value = "leyou.item.exchange",
          ignoreDeclarationExceptions = "true",
          type = ExchangeTypes.TOPIC),
      key = "item.delete"))
  public void listenDelete(Long id) {
    if (id == null) {
      return;
    }
    // 删除索引
    this.searchService.deleteIndex(id);
  }
}
